<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        body{
            width:150px;
        }
    </style>
</head>
<body>
<button id="btn">访问随手记</button>
<script src="popup.js"></script>
</body>
</html>
